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Intangible Assets - Turkcell 2G License - Additional Information (Detail)
₺ in Thousands, $ in Thousands
 12 Months Ended
Apr. 27, 1998
USD ($)
Dec. 31, 2017
TRY (₺)
Dec. 31, 2016
TRY (₺)
Dec. 31, 2015
TRY (₺)
Disclosure of detailed information about intangible assets [line items]        
Carrying amount of intangible asset   ₺ 8,340,410 ₺ 8,235,989 ₺ 8,232,637
Turkcell 2G license [member]        
Disclosure of detailed information about intangible assets [line items]        
Amortization period of intangible asset   25-year    
Carrying amount of intangible asset   ₺ 241,407 ₺ 287,390  
Consideration paid for acquiring license | $ $ 500,000